GUJJAR SINGH (1879-1975), prominent Ghadr leader, was born in 1879, the son of Sham Singh of Bhakna Kalan, in Amritsar district. He served in the 4th Cavalry for six years. In 1909, he migrated to Shanghai (China) and got himself enlisted in the police. In 1913, the Ghadr party`s weekly, the Ghadr, came to Shanghai through the granthi of the local Gurdwara, who handed over the packet to the police. Somehow a copy came into Gujjar Singh`s hands. He read it avidly and he read it repeatedly to his friends.
NIDHAN SINGH CHUGGHA (1855-1936), a prominent Ghadr leader, was the son of Sundar Singh of the village of Chuggha, in Moga district. A militant revolutionary, he was cited by the British as "art extremely dangerous criminal and one of the worst and most important of the [Ghadr] conspirators." In 1882, Nidhan Singh left home for Shanghai where he worked as a watchman and served as treasurer of the local Gurdwara. He married a Chinese woman from whom he had one son. He lived in Shanghai for many years and then migrated to the United States of America. Shortly after his arrival in the United Ssates, the Ghadr Party was formed by Indian patriots.